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Recognised as Colour

#68638D

  • #68638D
  • Blue
  • Dark
  • Nearest: Slate grey

#68638D is a blue with RGB values 104, 99, 141 and HSL 247°, 18%, 47%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#68638D#68638D
HEX#68638D
RGBrgb(104, 99, 141)
RGB (0–1)0.4078, 0.3882, 0.5529
RGB percentages40.8%, 38.8%, 55.3%
HSLhsl(247.1, 17.5%, 47.1%)
HSV / HSBhsv(247.1, 29.8%, 55.3%)
CMYK26.2%, 29.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,841,229
CSS custom property--colour: #68638D;

Brightness & contrast

Relative luminance0.1379WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.59:1
Contrast with white5.59:1WCAG normal text: AA
Contrast with black3.76:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#979C72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#58698Fno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#58678Cno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#606A72no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.59:1WCAG large text: AAA
Contrast with black, large text3.76:1WCAG large text: AA

Named colours

Slate grey · ΔE 20.3Steel blue · ΔE 20.5Light slate grey · ΔE 21.6Dim grey · ΔE 25.3Gray · ΔE 27.1Dark slateblue · ΔE 27.6
Nearest named CSS colourSlate grey (#708090)ΔE 20.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#888D63
Analogous#63738D, #7D638D
Triadic#8D6863, #638D68
Split complementary#8D7D63, #738D63
Tetradic#8D6373, #888D63, #638D7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAD8E4
Lighter +30%#BDBACF
Lighter +20%#A09CBA
Lighter +10%#837EA5
Darker −10%#524E6F
Darker −20%#3C3951
Darker −30%#262433
Darker −40%#100F15
More saturated +25%#5145AB
Less saturated −25%#787878

Channel breakdown

R104
G99
B141
Red104 (40.8%)
Green99 (38.8%)
Blue141 (55.3%)
Hue247.14°
Saturation (HSL)17.5%
Lightness47.06%
Dominant channelBlue
Hex per channelR 68 · G 63 · B 8D

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Every value on this page was computed from “68638d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.